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1 /* |
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2 * CDDL HEADER START |
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3 * |
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4 * The contents of this file are subject to the terms of the |
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5 * Common Development and Distribution License (the "License"). |
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6 * You may not use this file except in compliance with the License. |
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7 * |
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8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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9 * or http://www.opensolaris.org/os/licensing. |
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10 * See the License for the specific language governing permissions |
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11 * and limitations under the License. |
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12 * |
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13 * When distributing Covered Code, include this CDDL HEADER in each |
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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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15 * If applicable, add the following below this CDDL HEADER, with the |
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16 * fields enclosed by brackets "[]" replaced with your own identifying |
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17 * information: Portions Copyright [yyyy] [name of copyright owner] |
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18 * |
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19 * CDDL HEADER END |
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20 */ |
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21 |
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22 /* |
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23 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved. |
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24 */ |
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25 |
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26 package com.oracle.solaris.vp.util.swing.glass; |
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27 |
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28 import java.awt.*; |
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29 import java.awt.event.*; |
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30 |
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31 @SuppressWarnings({"serial"}) |
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32 public class BlockingGlassPane extends SimpleGlassPane { |
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33 // |
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34 // Static data |
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35 // |
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36 |
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37 public static final KeyListener LISTENER_CONSUME_KEY = |
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38 new KeyAdapter() { |
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39 @Override |
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40 public void keyPressed(KeyEvent e) { |
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41 e.consume(); |
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42 } |
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43 }; |
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44 |
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45 public static final MouseListener LISTENER_CONSUME_MOUSE = |
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46 new MouseAdapter() { |
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47 @Override |
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48 public void mousePressed(MouseEvent e) { |
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49 e.consume(); |
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50 } |
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51 }; |
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52 |
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53 // |
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54 // Instance data |
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55 // |
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56 |
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57 private Component prevFocusComp; |
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58 private boolean restoreFocus = true; |
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59 |
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60 // |
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61 // Constructors |
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62 // |
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63 |
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64 public BlockingGlassPane() { |
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65 prepareBlockingGlassPane(this); |
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66 setFocusCycleRoot(true); |
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67 } |
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68 |
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69 |
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70 /** |
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71 * Create an instance of this object. |
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72 * |
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73 * @param restoreFocus A value of true indicates component focus should be |
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74 * restored when invoking {@link #componentHidden}. |
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75 */ |
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76 public BlockingGlassPane(boolean restoreFocus) { |
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77 this(); |
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78 this.restoreFocus = restoreFocus; |
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79 } |
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80 |
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81 // |
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82 // SimpleGlassPane methods |
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83 // |
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84 |
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85 @Override |
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86 public void componentHidden() { |
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87 super.componentHidden(); |
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88 Component comp = prevFocusComp; |
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89 if (comp != null) { |
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90 comp.requestFocusInWindow(); |
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91 } |
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92 } |
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93 |
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94 @Override |
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95 public void componentShown() { |
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96 super.componentShown(); |
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97 if (restoreFocus) { |
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98 prevFocusComp = KeyboardFocusManager. |
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99 getCurrentKeyboardFocusManager().getFocusOwner(); |
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100 } |
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101 requestFocusInWindow(); |
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102 } |
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103 |
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104 // |
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105 // Static methods |
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106 // |
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107 |
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108 public static void addConsumeEventListeners(Component c) { |
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109 // Make sure listeners are only added once |
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110 removeConsumeEventListeners(c); |
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111 |
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112 c.addKeyListener(LISTENER_CONSUME_KEY); |
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113 c.addMouseListener(LISTENER_CONSUME_MOUSE); |
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114 } |
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115 |
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116 public static void prepareBlockingGlassPane(Component glassPane) { |
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117 addConsumeEventListeners(glassPane); |
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118 glassPane.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); |
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119 } |
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120 |
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121 public static void removeConsumeEventListeners(Component c) { |
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122 c.removeKeyListener(LISTENER_CONSUME_KEY); |
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123 c.removeMouseListener(LISTENER_CONSUME_MOUSE); |
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124 } |
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125 } |